Ulrichsweb is an easy-to-search source of detailed information on more than 300,000 periodicals (also called serials) of all types: academic and scholarly journals, e-journals, peer-reviewed titles, popular magazines, newspapers, newsletters, and more.
From the bioRxiv About page - "bioRxiv (pronounced "bio-archive") is a free online archive and distribution service for unpublished preprints in the life sciences. It is operated by Cold Spring Harbor Laboratory, a not-for-profit research and educational institution. By posting preprints on bioRxiv, authors are able to make their findings immediately available to the scientific community and receive feedback on draft manuscripts before they are submitted to journals." Learn more by watching their video.
Some background information about scholarly articles
Scholarly peer-reviewed articles are available
for fee (e.g. subscriptions paid by the UT Library or user pays for use)
for free - Open Access, but author may be paying an article processing charge (APC).